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post #41 of 47
The following was taken from Wiki. Gives you an idea of how native resolution works:

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This article has been tagged since June 2006.
“Pixel perfect” redirects here. For the Disney film, see Pixel Perfect.

text as displayed as 800x600 on a native 1024x768 LCDThe native resolution of a LCD, LCoS or other flat panel display refers to its single fixed resolution. As an LCD display consists of a fixed raster, it cannot change resolution to match the signal being displayed as a CRT monitor can, meaning that optimal display quality can be reached only when the signal input matches the native resolution. An image where the number of pixels is same as in the image source and where the pixels are perfectly aligned to the pixels in the source is said to be pixel perfect[citation needed].

While CRT monitors can usually display images at various resolutions, a LCD monitor has to rely on interpolation (scaling of the image), which causes a loss of image quality. An LCD has to scale up a smaller image to fit into the area of the native resolution. This is the same principle as taking a smaller image in an image editing program and enlarging it; the smaller image loses its sharpness when it is expanded. This is especially problematic as most resolutions are in a 4:3 aspect ratio (640×480, 800×600, 1024×768, 1280×960, 1600×1200) but there are odd resolutions that are not, notably 1280×1024. If a user were to map 1024×768 to a 1280×1024 screen there would be distortion as well as some image errors, as there is not a one-to-one mapping with regards to pixels. This results in noticeable quality loss and the image is much less sharp.

Some resolutions work well, however, if they are exact multiples of smaller image sizes. For example, a 1600×1200 LCD will display an 800×600 image well, as each of the pixels in the image will be represented by a block of four on the larger display, without interpolation. Since 800×600 is an integer factor of 1600×1200, scaling will not adversely affect the image.

Because of native resolution, some people who play computer games refuse to use LCD monitors, since the native resolution is so high that it may cause frame rate issues when playing a game. However, standard resolutions that make up a perfect fraction of the native resolution can look better (e.g. 4 native pixels per pixel of small resolution).

Most LCD monitors are able to inform the PC of their native resolution using Extended display identification data (EDID). Some liquid crystal display televisions however, especially with 1366 x 768 pixels, fail to provide their native resolution and only provide a set of lower resolutions, resulting in a less than picture perfect output.

If an LCD monitor were to always display without Scaling or stretching an image, the Image will always be in full sharpness, though image may not occupy full screen.
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2x OCZ Vertex 2 160GB in RAID 0 Samsung Swiftech H2O-320 W7 Ultimate 64bit 
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Acer 24" AL2423Wdr Acer 24" P243W DAS Model S & Cherry My 7000 Seasonic 860wt Platinum+ 
CaseMouseAudioAudio
In progress R.A.T. 7 Creative Titanium HD Fiio E9 
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Denon AH-D2000 AKG Q701 Grado SR225i Audio-Technica ATH-A900 
Audio
Klipsch Pro Media 2.1 
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60 GB Agility 3 (OS Drive) Hitachi 3TB (TV Buffer and Recording) LG Blu-Ray Burner Windows 7 Ultimate 
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58" Samsung Plasma DH101 Polk CS2 (Center) Polk Monitor 70 (FL/FR) 
AudioAudioAudioAudio
Polk Monitor 60 (RL/RR) Polk Monitor 40 (Surround L/R) Definitive Technology Supercube 2000 Onkyo HT-RC360 
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post #42 of 47
Thread Starter 
Wahoo! I ordered a projector on thursday, a Mitsubishi XD205R, seen here. Per Audi's warnings, I got it new for a great deal. I'm also building a projector screen (screw buying one) that is 96"x72". I have the frame built, and am in the process of finding the best fabric to stretch around it. I've been guided to Blackout cloth that they have at fabric stores, but when I went to the local one the only thing they had was was 54" wide stuff, and I obviously need 72" wide. Once that gets done I'll get up some pics, I'm so excited! Thanks to everyone who helped me out!.
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post #43 of 47
I'm not sure how your room situation is, but I suggest you don't go to the trouble of a screen if you don't have to...

I attached pictures of the setup I have in my living room... my projector is an IN72 projecting onto a 106" screen with the lamp setting on low.

I went to Home Depot and got Behr latex paint in the color "silverscreen" per advice from the avsforums. Cost $15, and then I spent $10 on cheap molding, flat black spraypaint, and doublesided foam tape. Painted the wall, spraypainted the molding, and stuck it on with the tape, and presto! I have a lovely looking screen for $25 and little to no effort.

Everyone that comes over is amazed at how good the picture looks... the blacks are deep black, and the colors are AMAZING, especially blue. You can see me standing next to the screen looking spooky in the first one... I'm 6'4" for a sense of scale. The second picture was taken with a flash so it looks washed out, but this screen color does surpisingly well with lights on in the room.


Worst case scenario try it out and if you don't like it you've lost $25 and an hour of time.


post #44 of 47
Thread Starter 
I certainly did entertain the idea of painting, but the issue was the wall itself. It is not a drywalled wall, or I would have done exactly as you suggested. It is a cement block wall in the basement, and actually has a hole right in the center where an old heating duct used to come through from the room behind it. We would've had to hang drywall first to make it, and for that amount of effort I felt building a frame was no big deal. I already had the wood for it, and the fabric itself only cost $35 shipped. Hopefully it will turn out alright, we'll see this week.
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post #45 of 47
NEC is coming out with a 3000 lumen DLP projector that will auto keystone auto focus the image for your. It should retail fro $1500. I saw it at infocom it is a awesome little projector for home theaters. 1024x768 is the native resolution. I didn't ask if it scales up.
    
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post #46 of 47
Quote:
Originally Posted by kdbolt70 View Post
I certainly did entertain the idea of painting, but the issue was the wall itself. It is not a drywalled wall, or I would have done exactly as you suggested. It is a cement block wall in the basement, and actually has a hole right in the center where an old heating duct used to come through from the room behind it. We would've had to hang drywall first to make it, and for that amount of effort I felt building a frame was no big deal. I already had the wood for it, and the fabric itself only cost $35 shipped. Hopefully it will turn out alright, we'll see this week.
Hmmm. I suppose that would definitely warrant building a screen...

My wall is actually textured rather heavily, we just painted over the texture but it dissapears completely when in use. Either way going with a projector was a good choice. I love mine.
post #47 of 47
Thread Starter 
Quote:
Originally Posted by iandh View Post
Hmmm. I suppose that would definitely warrant building a screen...

My wall is actually textured rather heavily, we just painted over the texture but it dissapears completely when in use. Either way going with a projector was a good choice. I love mine.
Thanks, I'm glad I have a fellow projector owner's approval. I really wanted to go with paint initially, but there's no way I could just "paint over" the texture, and the 12"x12" hole directly in the center of the wall would've caused a little trouble as well... I'll take some pics when I get a chance. I'm also a big DIY'er so building the frame wasn't bad at all. In fact later in the evening I had to paint the living room and was so sick of painting I would've avoided the screen alltogether had I not framed it. I also cut out the backside of a closet that backs up to the theater room so I could use two of its shelves to hold the receiver, dvd player, and consoles. I'm going to trim it nicely and maybe mount some swinging glass doors in front of it.

I just got a text from my brother saying my projector was in. I'm leaving work early to go play with it!!! The screen material and mount should be here by wednesday, so hopefully thursday I'll be up and running! This thread will turn into my official home theater build thread, you guys are welcome to post shots of your setups as well! (I still am awed by in home theaters) I'm also working on my 5.1 dolby surround, but thats a whole 'nother animal.
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